- How to double your power to learn
- Breakthrough Advertising
- How to Double Your Child's Grades in School: Build Brilliance and Leadership into Your Child-From Kindergarten to College-In Just 5 Minutes a Day
- Breakthrough Advertising
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- Christiane Stenger
- Lindsay Spinks-Shepherd
- Charlotte Milholland
- Hubert Bermont
- Glenn E. Ludwig
- Gerardo Joffe
- Michael Benson
- Linda Torp
- Howard E. Ferguson
- Tom Welch
- Sara Sage
- Tom Spinks
- Kimberly Spinks-Burleson
- Robert Müller
- Charles H. Bishop
- Richard Edler
- Marjorie Nieuwenhuis
- Robert E. Haskell
- Jennifer Place
- Peter Rowlands